InsiderTrades

Form 4 for AAOI APPLIED OPTOELECTRONICS, INC.

Accepted 2026-06-01 17:00:47 ET · period of report 2026-05-28 · accession 0001683168-26-004427 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MI 2026-06-01 17:00 2026-05-28 AAOI Lin Chih-Hsiang (Thompson) Pres, CEO, Dir G - Gift $0.00 0 85.8K New $0
MI 2026-06-01 17:00 2026-05-28 AAOI Lin Chih-Hsiang (Thompson) Pres, CEO, Dir J - Other — 0 807.6K New —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, $.001 par value 2026-05-28 G D 85,790.27 $0.00 807,602 I By Lin Family Investment Holdings LLC — — (F2) The reported transaction reflects the gift of a portion of the reporting person's membership interest in the LLC, valued at $15 million, as determined by utilizing the average of the high and low per share trading price on the date of the gift (the per share price on the date of the gift, May 28, 2026, was $174.845 and the number of shares was 85,790.27), from the reporting person into an irrevocable trust for the benefit of the reporting person's heirs for estate planning purposes. The LLC continues to hold the 807,602 shares of the Company's common stock, and continues to be managed by the reporting person as the sole manager. This transaction was a bona fide gift to The Thompson Lin Family Trust (the "Family Trust"), and therefore no consideration was paid for the shares. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein. (F2) The reported transaction reflects the gift of a portion of the reporting person's membership interest in the LLC, valued at $15 million, as determined by utilizing the average of the high and low per share trading price on the date of the gift (the per share price on the date of the gift, May 28, 2026, was $174.845 and the number of shares was 85,790.27), from the reporting person into an irrevocable trust for the benefit of the reporting person's heirs for estate planning purposes. The LLC continues to hold the 807,602 shares of the Company's common stock, and continues to be managed by the reporting person as the sole manager. This transaction was a bona fide gift to The Thompson Lin Family Trust (the "Family Trust"), and therefore no consideration was paid for the shares. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein.
2 Common Common Stock, $.001 par value 2026-05-28 G A 85,790.27 $0.00 85,790.27 I By Thompson Lin Family Trust — — (F2) The reported transaction reflects the gift of a portion of the reporting person's membership interest in the LLC, valued at $15 million, as determined by utilizing the average of the high and low per share trading price on the date of the gift (the per share price on the date of the gift, May 28, 2026, was $174.845 and the number of shares was 85,790.27), from the reporting person into an irrevocable trust for the benefit of the reporting person's heirs for estate planning purposes. The LLC continues to hold the 807,602 shares of the Company's common stock, and continues to be managed by the reporting person as the sole manager. This transaction was a bona fide gift to The Thompson Lin Family Trust (the "Family Trust"), and therefore no consideration was paid for the shares. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein. (F4) The securities indirectly held in the Family Trust through the ownership of interests in the LLC are for the benefit of the reporting person's heirs. The reporting person is the settlor of the irrevocable Family Trust, where The Bryn Mawr Trust Company of Delaware serves as trustee which may be replaced at the discretion of the reporting person. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.
3 Common Common Stock, $.001 par value 2026-05-28 J D 721,811.73 — 807,602 I By Lin Family Investment Holdings LLC — — (F3) The reported transaction reflects the transfer of a certain portion of the reporting person's membership interest in the LLC from the reporting person to the Family Trust, in exchange for a promissory note in the principal amount of $126,205,171.69, representing the fair market value of the shares (represented by the portion of the LLC membership interest) as determined by utilizing the average of the high and low per share trading price on the date of the sale. The per share price on the date of the sale, May 28, 2026, was $174.845 and the number of shares sold was 721,811.73. The LLC continues to hold the 807,602 shares of the Company's common stock, and continues to be managed by the reporting person as the sole manager. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein. (F3) The reported transaction reflects the transfer of a certain portion of the reporting person's membership interest in the LLC from the reporting person to the Family Trust, in exchange for a promissory note in the principal amount of $126,205,171.69, representing the fair market value of the shares (represented by the portion of the LLC membership interest) as determined by utilizing the average of the high and low per share trading price on the date of the sale. The per share price on the date of the sale, May 28, 2026, was $174.845 and the number of shares sold was 721,811.73. The LLC continues to hold the 807,602 shares of the Company's common stock, and continues to be managed by the reporting person as the sole manager. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein.
4 Common Common Stock, $.001 par value 2026-05-28 J A 721,811.73 — 807,602 I By Thompson Lin Family Trust — — (F3) The reported transaction reflects the transfer of a certain portion of the reporting person's membership interest in the LLC from the reporting person to the Family Trust, in exchange for a promissory note in the principal amount of $126,205,171.69, representing the fair market value of the shares (represented by the portion of the LLC membership interest) as determined by utilizing the average of the high and low per share trading price on the date of the sale. The per share price on the date of the sale, May 28, 2026, was $174.845 and the number of shares sold was 721,811.73. The LLC continues to hold the 807,602 shares of the Company's common stock, and continues to be managed by the reporting person as the sole manager. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein. (F4) The securities indirectly held in the Family Trust through the ownership of interests in the LLC are for the benefit of the reporting person's heirs. The reporting person is the settlor of the irrevocable Family Trust, where The Bryn Mawr Trust Company of Delaware serves as trustee which may be replaced at the discretion of the reporting person. The reporting person disclaims beneficial ownership of these securities except to the extent of his voting power therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.